MEGASUN 300‑Litre Direct Flat Plate Solar Water Heater SP300 KK×4.20 m²; A+ Rated, High‑Efficiency, Low‑Noise

Technical Specifications of MEGASUN 300‑litre Indirect Flat Plate Solar Water Heater:

• Nominal Storage Capacity: 300 L (actual drum volume 301 L)
• Solar Collector Window Area: 3.60 m²
• Thermal Efficiency (Normal Climate): 221 %
• Annual Electricity Consumption (Normal Climate): 462 kWh
• Zero‑Loss Collector Efficiency (η₀): 75 %
• First‑Order Heat Loss Coefficient (a₁): 3.36 W/(K·m²)
• Second‑Order Heat Loss Coefficient (a₂): 0.024 W/(K²·m²)
• Sound Level: 15 dB(A)

Highlights & Features:

• Exceptional Heat Yield: Achieves 221% efficiency in normal climate conditions for rapid heat‑up.
• Low Standby Losses: Minimises heat loss when solar input is low, reducing auxiliary energy use.
• Whisper‑Quiet Operation: Ultra‑low noise level (15 dB) for seamless integration in any setting.
• Safety‑First Design: Requires installation of a pressure‑safety valve and electric thermostat to prevent overheating.
• Robust Construction: Engineered to comply with EN 12976 & ISO 9806 standards for long‑term reliability.